[tip:irq/core] xen: Add proper irq accounting for HYPERCALL vector

[tip-bot for Thomas Gleixner]

Commit-ID:  99c8b79d3c165f8e2a6247c14bfa1429e7efe51f
Gitweb:     http://git.kernel.org/tip/99c8b79d3c165f8e2a6247c14bfa1429e7efe51f
Author:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Sun, 23 Feb 2014 21:40:21 +0000
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Tue, 4 Mar 2014 17:37:54 +0100

xen: Add proper irq accounting for HYPERCALL vector

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: David Vrabel <david.vrabel@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Xen <xen-devel@xxxxxxxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20140223212738.808648133@xxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 drivers/xen/events/events_base.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 5dd2ddf..8b91c256 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -1235,6 +1235,7 @@ void xen_evtchn_do_upcall(struct pt_regs *regs)
 #ifdef CONFIG_X86
 	exit_idle();
 #endif
+	inc_irq_stat(irq_hv_callback_count);
 
 	__xen_evtchn_do_upcall();
 
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